One way to know where housing prices are headed is to look at their relationship to rents. As Fortune's data show, big declines are needed to bring prices and rents back in
line.

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Miami

5-yr home price forecast: -32.2%

Home price/rent ratio: 27.2

15-yr average: 16

Note: People typically won't spend more in monthly costs to own a home than they would to rent. While prices soar from time to time, sending the ratio to exceptional heights,
the relationship eventually should return to its historical average.

That's the question homeowners are asking in the midst of the worst real estate slump in decades. Our exclusive calculations can help you figure out what your house will be
worth in coming years. (more)